Publications

Peters, D., Rizo, H., O’Neil, J., Hamelin, C. and Shirey, S.B., (Accepted). Comparative 142Nd and 182W study of MORBs and the 4.5 Ga evolution of the upper mantle. Geochemical Perspectives Letters

Garcia, V. B., O’Neil, J., Dantas, E. L., 2023. Rare evidence for the existence of a Hadean enriched mantle reservoir. Geochemical Perspectives Letters. v28. https://doi.org/10.7185/geochemlet.2336

Mixon, E. E, Bauer, A. M., O’Neil, J., Rizo, H., Blum, T. B., Valley, J. W., Bonamici, C. E., 2023. Mechanisms for generating elevated zircon δ18O in Archean crust: Insights from the Saglek-Hebron Complex, Canada. Earth and Planetary Science Letters.  624, 118443

Wasilewski, B.,  O’Neil, J., Rizo, H., 2022. Archean crustal evolution of the Saglek-Hebron Complex, Northern Labrador, revealed from coupled 147-146Sm-143-142Nd systematics. Earth and Planetary Science Letters, 594, 117735

Bindeman, I. and O'Neil, J., 2022. Earth’s Earliest Hydrosphere Recorded by the Oldest Hydrothermally-Altered Oceanic Crust: Triple oxygen and hydrogen isotopes in the 4.3-3.8 Ga Nuvvuagittuq belt, Canada. Earth and Planetary Science Letters.  586, p.117539.

Murphy, D., Rizo, H., O'Neil, J., Hepple, A., Wiemer, D., Kemp, A., Vervoort, J., 2021. Combined Sm-Nd, Lu-Hf, and 142Nd study of Paleoarchean basalts from the East Pilbara Terrane, Western Australia. Chemical Geology, 120301
 
Wasilewski, B.,  O’Neil, J., Rizo, H., Paquette, J-L. and   Gannoun, M., 2021. Over one billion years of Archean crust evolution revealed by zircon U-Pb and Hf isotopes from the Saglek-Hebron Complex. Precambrian Research, 359
 
Carlson, R.W., Garçon, M., O’Neil, J., Reimink, J. and Rizo, H., 2019. The nature of Earth’s first crust. Chemical Geology, 530.
 
Wasilewski, B., O’Neil, J., Rizo, H., 2019. Geochemistry and petrogenesis of the early Archean mafic crust from the Saglek-Hebron Complex (Northern Labrador). Precambrian Research, 328, p. 321-343.
 
Dodd, M.S., Papineau, D., She, Z, Manikyamba, C., Wan, Y., O’Neil, J., Karhu, J.A. Rizo, H., Pirajno, F., 2019. Widespread occurrences of variably crystalline 13C-depleted graphitic carbon in banded iron formations, Earth and Planetary Science Letters, 512, p. 163-174
 
O’Neil, J., Carlson, R.W., Papineau, D., Levine, Y.E., Francis, D., 2019. The Nuvvuagittuq greenstone belt: A 1 glimpse of Earth’s earliest crust. In Earth’s Oldest Rocks 2nd Edition, Development in Precambrian geology, Elsevier BV.
 
O’Neil, J. and Carlson, R.W., 2017. Building Archean cratons from Hadean mafic crust. Science, 355 (6330), pp.1199-1202.
 
Dodd, M.S., Papineau, D., Grenne, T., Slack, J.F., Rittner, M., Pirajno, F., O’Neil, J. and Little, C.T., 2017. Evidence for early life in Earth’s oldest hydrothermal vent precipitates. Nature, 543 (7643), pp.60-64.
 
O’Neil, J., Rizo, H., Boyet, M., Carlson, R.W. and Rosing, M.T., 2016. Geochemistry and Nd isotopic characteristics of Earth’s Hadean mantle and primitive crust. Earth and Planetary Science Letters, 442, p. 194–205.
 
Belley, P. M., O’Neil, J., & Hattori, K. 2016. Spinel and Aspidolite from the Des Cèdres Dam Occurrence, Notre-Dame-du-Laus, Québec, Canada. Rocks & Minerals, 91(5), 448-452
 
Carlson, R.W., Boyet, M., O’Neil, J., Rizo, H. and Walker, J.W., 2015. Early Differentiation and Its Long‐Term Consequences for Earth Evolution. The Early Earth: Accretion and Differentiation, p.143-172.
 
Thomassot, E., O’Neil, J., Francis, D., Cartigny, P. and Wing, B., 2015. Proceedings of the National Academy of Sciences. Atmospheric record in the Hadean Eon from multiple sulfur isotope measurements in Nuvvuagittuq Greenstone Belt (Nunavik, Quebec). v. 112 (3), p. 707-712.
 
Touboul, M., Liu, J., O’Neil, J., Puchtel, I.S. and Walker, R.J., 2014. New insights into the Hadean Mantle Revealed by 182W and Highly Siderophile Element Abundances of Supracrustal Rocks from the Nuvvuagittuq Greenstone Belt, Quebec, Canada. Chemical Geology, 383, p. 63-75.
 
O’Neil, J., Boyet, M., Carlson, R.W. and Paquette, J-L., 2013. Half a billion years of reworking of Hadean mafic crust to produce the Nuvvuagittuq Eoarchean felsic crust. Earth and Planetary Science Letters, 379, p.13-25.
 
Darling J.R., Moser D.E., Heaman L., Davis W.J., O'Neil J. and Carlson R., 2013. Hadean to Neoarchaean evolution of the Nuvvuagittuq greenstone belt: new insights from U-Pb zircon geochronology. American Journal of Science, 313, p.844-8763. 
 
O’Neil, J., Carlson, R.W., Paquette, J-L. and Francis, D., 2012. Formation Age and Metamorphic History of the Nuvvuagittuq Greenstone Belt, Precambrian Research, v 220-221, p. 23-44.
 
Rizo, H., Boyet, M., Blichert-Toft, J., O’Neil, J., Rosing, M. and Paquette, J-L., 2012. The elusive Hadean enriched reservoir revealed by 142Nd deficits in Isua Archean rocks, Nature, 491, p.96-100.
 
Kitayama, Y., Thomassot, E., O’Neil, J. and Wing, B., 2012. Sulfur and oxygen isotope constraints on the sedimentary history of apparent conglomerates from the Nuvvuagittuq Greenstone Belt (Nunavik, Québec), Earth and Planetary Science Letters, v. 355-356, p.271-282.
 
Adam, J., Rushmer, T., O'Neil, J. and Francis, D., 2012. Hadean greenstones from the Nuvvuagittuq fold belt and the origin of the Earth's early continental crust, Geology, v. 40 (4), p. 363-366.
 
Mloszewska, A. M., Pecoits, E., Cates, N. L., Mojzsis, S. J., O'Neil, J., Robbins, L. J. and Konhauser, K. O., 2012. The composition of Earth's oldest iron formations: The Nuvvuagittuq Supracrustal Belt (Québec, Canada), Earth and Planetary Science Letters, v. 317-318, p. 331-342.
 
O’Neil, J., Francis, D. and Carlson, R.W., 2011. Implications of the Nuvvuagittuq greenstone belt for the formation of Earth's early crust, Journal of Petrology, v. 52, no. 5,  p. 985-1009.
 
Papineau, D., De Gregorio, B.T., Cody, G.D., O’Neil, J., Steele, A., Stroud, R.M. and Fogel, M.L. 2011. Young poorly crystalline graphite in the >3.8-Gyr-old Nuvvuagittuq banded iron formation, Nature Geoscience, v. 4, p.376-379.
 
O’Neil, J., Carlson, R.W., Francis, D. and Stevenson, R.K., 2009. Response to Comment on “Neodymium-142 Evidence for Hadean Mafic Crust”, Science, v.325, p. 267-b
 
David, J., Godin, L., Stevenson, R., O’Neil, J., and Francis, D., 2009. U-Pb ages (3.8-2.7 Ga) and Nd isotope data from the newly identified Eoarchean Nuvvuagittuq supracrustal belt, Superior Craton, Canada. Geological Society of America Bulletin, v. 121, (1-2), p. 150-163.
 
Maurice, C., David, J., O'Neil, J. and Francis, D. 2009. Age and tectonic implications of Paleoproterozoic mafic dyke swarms for the origin of 2.2 Ga enriched lithosphere beneath the Ungava Peninsula, Canada. Precambrian Research, v. 174, Issues 1-2, October 2009, p. 163-180
 
O’Neil, J., Carlson, R.W., Francis, D. and Stevenson, R.K., 2008. Neodymium-142 Evidence for Hadean Mafic Crust., Science, v.321, p.1828-1831.
 
O’Neil, J., Maurice, C., Stevenson, R.K., Larocque, J., Cloquet, C., David, J. and Francis, D., 2007. The Geology of the 3.8 Ga Nuvvuagittuk (Porpoise Cove) Greenstone Belt, northern Superior Province, Canada. In Earth’s Oldest Rocks, Development in Precambrian geology, Elsevier BV.